No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  ArcticBird | Advanced | 3.33 minutes |
| (Co-op) l4d_hospital02_subway | ArcticBird | Advanced | 8.10 minutes |
| (Co-op) l4d_hospital03_sewers | ArcticBird | Advanced | 6.85 minutes |
| (Co-op) l4d_hospital04_interior | ArcticBird | Advanced | 7.15 minutes |
| (Co-op) l4d_hospital05_rooftop | ArcticBird | Advanced | 6.59 minutes |
| (Co-op) l4d_hospital05_rooftop | ArcticBird | Normal | 18.73 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | ArcticBird | Normal | 4.27 minutes |
| (Co-op) l4d_airport02_offices | ArcticBird | Normal | 11.98 minutes |
| (Co-op) l4d_airport03_garage | ArcticBird | Normal | 9.29 minutes |
| (Co-op) l4d_airport04_terminal | ArcticBird | Expert | 7.00 minutes |
| (Co-op) l4d_airport04_terminal | ArcticBird | Normal | 4.17 minutes |
| (Co-op) l4d_airport05_runway | ArcticBird | Expert | 11.03 minutes |
| (Co-op) l4d_airport05_runway | ArcticBird | Normal | 10.21 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | ArcticBird | Advanced | 3.80 minutes |
| (Co-op) l4d_smalltown02_drainage | ArcticBird | Advanced | 5.13 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | ArcticBird | Advanced | 8.57 minutes |
| (Co-op) l4d_smalltown04_mainstreet | ArcticBird | Advanced | 10.56 minutes |
| (Co-op) l4d_smalltown05_houseboat | ArcticBird | Advanced | 8.71 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage02_lots | ArcticBird | Advanced | 15.26 minutes |
